Home / 886,543.80-1,328,940.90-436,896.60

Finding the Fourth Proportional to 886,543.80, 1,328,940.90 and 436,896.60

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Solution

The fourth proportional to 886,543.80, 1,328,940.90 and 436,896.60 is: 654,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,543.80 : 1,328,940.90 = 436,896.60 : x
  2. Step 2: Convert to fraction form
    886,543.80/1,328,940.90 = 436,896.60/x
  3. Step 3: Cross multiply
    886,543.80x = 1,328,940.90 × 436,896.60
  4. Step 4: Simplify right side
    886,543.80x = 580,609,760,810.94
  5. Step 5: Solve for x
    x = 580,609,760,810.94/886,543.80
  6. Step 6: Final answer
    x = 654,913.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.